1 files changed, 32 insertions, 0 deletions
diff --git a/test/CodeGen/riscv64-lp64-lp64f-abi.c b/test/CodeGen/riscv64-lp64-lp64f-abi.c
new file mode 100644
index 0000000000..3b944e716a
--- /dev/null
+++ b/test/CodeGen/riscv64-lp64-lp64f-abi.c
@@ -0,0 +1,32 @@
+// RUN: %clang_cc1 -triple riscv64 -emit-llvm %s -o - | FileCheck %s
+
+// This file contains test cases that will have the same output for the lp64
+// and lp64f ABIs.
+
+#include <stddef.h>
+#include <stdint.h>
+
+struct large {
+  int64_t a, b, c, d;
+};
+
+typedef unsigned char v32i8 __attribute__((vector_size(32)));
+
+// Scalars passed on the stack should not have signext/zeroext attributes
+// (they are anyext).
+
+// CHECK-LABEL: define signext i32 @f_scalar_stack_1(i32 signext %a, i128 %b, double %c, fp128 %d, <32 x i8>*, i8 zeroext %f, i8 %g, i8 %h)
+int f_scalar_stack_1(int32_t a, __int128_t b, double c, long double d, v32i8 e,
+                     uint8_t f, int8_t g, uint8_t h) {
+  return g + h;
+}
+
+// Ensure that scalars passed on the stack are still determined correctly in
+// the presence of large return values that consume a register due to the need
+// to pass a pointer.
+
+// CHECK-LABEL: define void @f_scalar_stack_2(%struct.large* noalias sret %agg.result, double %a, i128 %b, fp128 %c, <32 x i8>*, i8 zeroext %e, i8 %f, i8 %g)
+struct large f_scalar_stack_2(double a, __int128_t b, long double c, v32i8 d,
+                              uint8_t e, int8_t f, uint8_t g) {
+  return (struct large){a, e, f, g};
+}